The shots rang across St. Peter's Square last May, one witness recalled,
like "the popping of a string of firecrackers." Pope John Paul II lay
grievously wounded, and a right-wing Turkish fanatic, Mehmet Ali Agca,
23, barely escaped being torn to pieces by an angry mob for attempting
to kill the Pope. Ever since, Agca has claimed that he acted alone. But
right from the start, Italian police and the judges who sentenced him
to life imprisonment felt to the contrary, yet were strangely reluctant...